I need to remodel my bathroom, but have no idea where to start. Currently, I have a cast iron tub but would like to avoid replacing it because I think that would lead to having to completely gut the bathroom (which is tiny). Is there a way to "refinish" it so the coating is once again new, shiny, and easy to clean? Also, how do we replace the tub faucet w/o taking out the tub? Thanks!